Home / 734,868.12-1,014,109.38-412,570.20

Finding the Fourth Proportional to 734,868.12, 1,014,109.38 and 412,570.20

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Solution

The fourth proportional to 734,868.12, 1,014,109.38 and 412,570.20 is: 569,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,868.12 : 1,014,109.38 = 412,570.20 : x
  2. Step 2: Convert to fraction form
    734,868.12/1,014,109.38 = 412,570.20/x
  3. Step 3: Cross multiply
    734,868.12x = 1,014,109.38 × 412,570.20
  4. Step 4: Simplify right side
    734,868.12x = 418,391,309,728.48
  5. Step 5: Solve for x
    x = 418,391,309,728.48/734,868.12
  6. Step 6: Final answer
    x = 569,342.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.